1081275913 has 8 divisors (see below), whose sum is σ = 1086992640. Its totient is φ = 1075569600.

The previous prime is 1081275911. The next prime is 1081275953. The reversal of 1081275913 is 3195721801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081275913 - 2¹ = 1081275911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081275911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285156 + ... + 288922.

It is an arithmetic number, because the mean of its divisors is an integer number (135874080).

Almost surely, 2^1081275913 is an apocalyptic number.

It is an amenable number.

1081275913 is a deficient number, since it is larger than the sum of its proper divisors (5716727).

1081275913 is a wasteful number, since it uses less digits than its factorization.

1081275913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1081275913 is about 32882.7601183356. The cubic root of 1081275913 is about 1026.3894424352.

The spelling of 1081275913 in words is "one billion, eighty-one million, two hundred seventy-five thousand, nine hundred thirteen".